Distinguished 3 forms of gov.:
Praetorship (iurisdictio added to the praetor's imperium)
The concilium plebis, just like the comitia, had the power to legislate for all classes.
For cases on non-citizens
Equites gradually controlled trade, industry and banking in/out of Rome.
Biggest expansion of the Roman Empire
New civil procedure: a one-stage trial
A kind of prime minister. Responsibility as secretary a libellis
Jurist Herrennius Modestinus (praefectus vigilum) death marks the end of the classical age
Imperial constitution compilation
Compilation of imperial constitution
Primarily contained rules of public law
Had force of law.